﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Net;
using System.Web;
using Abp.Application.Services;
using Microsoft.AspNetCore.Mvc;

namespace LiveShopvnext.ExpressApi
{
    //class Express
    //{

    //}
    
        public class KdApiSubscribeDemo: ApplicationService,IExpressAppService
    {
            //用户ID，快递鸟提供，注意保管，不要泄漏  
            private string EBusinessID = "1735391";//即用户ID，登录快递鸟官网会员中心获取 https://www.kdniao.com/UserCenter/v4/UserHome.aspx
                                                   //API key，快递鸟提供，注意保管，不要泄漏        
            private string ApiKey = "13257f39-3bff-4164-9a49-9decdaca39ed";//即API key，登录快递鸟官网会员中心获取 https://www.kdniao.com/UserCenter/v4/UserHome.aspx
                                                                           //请求url，正式环境
            private string ReqURL = "https://api.kdniao.com/Ebusiness/EbusinessOrderHandle.aspx";

        /// <summary>
        /// </summary>
        /// <returns></returns>
        [HttpPost]
        public string orderOnlineByJson(string ShipperCode="YTO", string LogisticCode="YT9792455948879")
        {
            // 组装应用级参数
            string requestData = "{" +
                "'OrderCode':''," +
                "'Callback':'复健科利润或金额为覅积分卡'," +
                "'ShipperCode':'" + ShipperCode + "'," +
                "'LogisticCode':'" + LogisticCode + "'," +
                "'CustomerName':'1234'," +
                "}";
            // 组装系统级参数
            Dictionary<string, string> param = new Dictionary<string, string>();
                param.Add("RequestData", HttpUtility.UrlEncode(requestData, Encoding.UTF8));
                param.Add("EBusinessID", EBusinessID);
                param.Add("RequestType", "1002");//免费订阅接口指令1008/在途监控订阅接口指令8008/地图版订阅接口指令8005
                string dataSign = encrypt(requestData, ApiKey, "UTF-8");
                param.Add("DataSign", HttpUtility.UrlEncode(dataSign, Encoding.UTF8));
                param.Add("DataType", "2");
                // 以form表单形式提交post请求，post请求体中包含了应用级参数和系统级参数
                string result = sendPost(ReqURL, param);

                //根据公司业务处理返回的信息......
                return result;
            }

            /// <summary>
            /// Post方式提交数据，返回网页的源代码
            /// </summary>
            /// <param name="url">发送请求的 URL</param>
            /// <param name="param">请求的参数集合</param>
            /// <returns>远程资源的响应结果</returns>
            private string sendPost(string url, Dictionary<string, string> param)
            {
                string result = "";
                StringBuilder postData = new StringBuilder();
                if (param != null && param.Count > 0)
                {
                    foreach (var p in param)
                    {
                        if (postData.Length > 0)
                        {
                            postData.Append("&");
                        }
                        postData.Append(p.Key);
                        postData.Append("=");
                        postData.Append(p.Value);
                    }
                }
                byte[] byteData = Encoding.GetEncoding("UTF-8").GetBytes(postData.ToString());
                try
                {

                    HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
                    request.ContentType = "application/x-www-form-urlencoded";
                    request.Referer = url;
                    request.Accept = "*/*";
                    request.Timeout = 30 * 1000;
                    request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)";
                    request.Method = "POST";
                    request.ContentLength = byteData.Length;
                    Stream stream = request.GetRequestStream();
                    stream.Write(byteData, 0, byteData.Length);
                    stream.Flush();
                    stream.Close();
                    HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                    Stream backStream = response.GetResponseStream();
                    StreamReader sr = new StreamReader(backStream, Encoding.GetEncoding("UTF-8"));
                    result = sr.ReadToEnd();
                    sr.Close();
                    backStream.Close();
                    response.Close();
                    request.Abort();
                }
                catch (Exception ex)
                {
                    result = ex.Message;
                }
                return result;
            }

            ///<summary>
            ///电商Sign签名
            ///</summary>
            ///<param name="content">内容</param>
            ///<param name="keyValue">ApiKey</param>
            ///<param name="charset">URL编码 </param>
            ///<returns>DataSign签名</returns>
            private string encrypt(String content, String keyValue, String charset)
            {
                if (keyValue != null)
                {
                    return base64(MD5(content + keyValue, charset), charset);
                }
                return base64(MD5(content, charset), charset);
            }

            ///<summary>
            /// 字符串MD5加密
            ///</summary>
            ///<param name="str">要加密的字符串</param>
            ///<param name="charset">编码方式</param>
            ///<returns>密文</returns>
            private string MD5(string str, string charset)
            {
                byte[] buffer = System.Text.Encoding.GetEncoding(charset).GetBytes(str);
                try
                {
                    System.Security.Cryptography.MD5CryptoServiceProvider check;
                    check = new System.Security.Cryptography.MD5CryptoServiceProvider();
                    byte[] somme = check.ComputeHash(buffer);
                    string ret = "";
                    foreach (byte a in somme)
                    {
                        if (a < 16)
                            ret += "0" + a.ToString("X");
                        else
                            ret += a.ToString("X");
                    }
                    return ret.ToLower();
                }
                catch
                {
                    throw;
                }
            }

            /// <summary>
            /// base64编码
            /// </summary>
            /// <param name="str">内容</param>
            /// <param name="charset">编码方式</param>
            /// <returns></returns>
            private string base64(String str, String charset)
            {
                return Convert.ToBase64String(System.Text.Encoding.GetEncoding(charset).GetBytes(str));
            }
        }
    
}
